5,9,13,17,21......
2,4,8,16,32......
5,10,20,40,80
1/2,1/6,1/18,1/54
2,7,12,17,22.......
1,3,9,27,81....
2,5,8,11,14.....
1/2,1/8,1/32,1/128
1,4,7,10,13......
2,8,32,128,512...
4,6,8,10,12....
3,6,9,12,15.....